DE3610474A1 - DEVICE FOR MEASURING THE INDUCTION OF A MAGNETIC FIELD - Google Patents
DEVICE FOR MEASURING THE INDUCTION OF A MAGNETIC FIELDInfo
- Publication number
- DE3610474A1 DE3610474A1 DE19863610474 DE3610474A DE3610474A1 DE 3610474 A1 DE3610474 A1 DE 3610474A1 DE 19863610474 DE19863610474 DE 19863610474 DE 3610474 A DE3610474 A DE 3610474A DE 3610474 A1 DE3610474 A1 DE 3610474A1
- Authority
- DE
- Germany
- Prior art keywords
- induction
- measuring
- magnetic field
- input
- rectifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/028—Electrodynamic magnetometers
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Treatment Devices (AREA)
- Measuring Magnetic Variables (AREA)
Description
VORRICHTUNG ZUM MESSEN DER INDUKTION EINES MAGNETFELDESDEVICE FOR MEASURING THE INDUCTION OF A MAGNETIC FIELD
Die Erfindung bezieht sich auf eine Vorrichtung zur Messung der Spannung bzw. Induktion im Magnetfeld, wie sie im Ober-Vi 5 begriff des Patentanspruchs beschrieben ist. Eine solche Vorrichtung ist aus der SU-PS 721782 bekannt.The invention relates to a device for measuring the voltage or induction in the magnetic field, as in the Ober-Vi 5 term of the claim is described. Such a device is known from SU-PS 721782.
Bei der bekannten Vorrichtung ist es nicht möglich, ein genaues Bild über die Verteilung des Feldes an verschiedenen Stellen im Bereich oder am Körper eines Patienten zu erhalten. Auch ist es unmöglich, ein Magnettherapiegerät bei einer Abweichung vom vorgegebenen Therapiebetrieb zu blockieren.In the known device it is not possible to get an exact picture of the distribution of the field at different To maintain places in the area or on the body of a patient. Also, it is impossible to use a magnetotherapy machine to block in the event of a deviation from the specified therapy mode.
A Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung zur Messung der Induktion eines Magnetfeldes zu schaffen, die es ermöglicht, ein genaues Bild über die Feldverteilung an verschiedenen Stellen im Bereich bzw. am Körper eines Patienten zu erhalten und das Magnettherapiegerät bei einer Abweichung vom vorgegebenen Therapiebetrieb zu blokkieren. Diese Aufgabe wird erfindungsgemäß durch die im Patentanspruch beschriebenen Maßnahmen gelöst. A The invention is based on the object of creating a device for measuring the induction of a magnetic field, which makes it possible to obtain an accurate picture of the field distribution at different points in the area or on the body of a patient and the magnetic therapy device in the event of a deviation from the specified To block therapy operation. According to the invention, this object is achieved by the measures described in the patent claim.
Die erfindungsgemäße Vorrichtung zum Messen der Induktion eines Magnetfeldes ermöglicht es, ein genaues Bild von der Verteilung des Feldes auf verschiedene Punkte im Bereich bzw. am Körper eines Patienten zu erhalten und das Magnettherapiegerät zu blockieren, wenn es außerhalb eines vorgegebenen Therapiebetriebs arbeitet.The device according to the invention for measuring induction A magnetic field makes it possible to get an accurate picture of the distribution of the field at different points in the area or on the body of a patient and to block the magnetic therapy device if it is outside of a predetermined range Therapy operation works.
Die erfindungsgemäße Vorrichtung wird anhand des in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. Es zeigen:The device according to the invention is based on the in the Drawing illustrated embodiment explained in more detail. Show it:
Fig. 1 das Blockschaltbild einer Vorrichtung zum Messen der Induktion eines Magnetfeldes und Fig. 2 den Längsschnitt eines lokalen Induktionsfühlers.1 shows the block diagram of a device for measuring the induction of a magnetic field and 2 shows the longitudinal section of a local induction sensor.
Die erfindungsgemäße Vorrichtung zum Messen der Spannung bzw. Induktion eines Wechselmagnetfeldes in der Magnettherapie nach Fig. 1 besteht aus einer Anzahl N lokaler Induktionsfühler 1,, l„,...l., ...1„. Jeder Fühler besteht aus zwei Spulen 11 (Fig. 2) mit gleicher Windungszahl. Ein gemeinsamer Anschluß der beiden Wicklungen jedes Induktionsfühlers 1. ist mit Masse verbunden, während die beiden anderen Anschlüsse der beiden Wicklungen jedes Fühlers mit der entsprechenden Anzahl N von Eingängen eines steuerbaren elektronischen Umschalters 2 verbunden sind, an dessen Steuereingang der Ausgang einer Steuerprogrammeinrichtung 3 angeschlossen ist. Die beiden Ausgänge des elektronischen Umschalters 2 sind mit den Eingängen zweier identischer Niederfrequenzfilter 4 und 5 verbunden, deren Ausgänge an den direkten bzw. invertierenden Eingang eines Differenzialverstärkers 6 angeschlossen sind. Der Ausgang des Differenzialverstärkers 6 ist mit dem Eingang eines Gleichrichters 7 zur Umformung von Wechselspannung in Gleichstrom verbunden. Der Ausgang des Gleichrichters 7 ist mit dem Eingang einer Registriereinrichtung 8 verbunden, die ihrerseits mit einer Blockiereinrichtung 9 verbunden ist. An den Ausgang der Blockiereinrichtung 9 ist ein Magnettherapiegerät 10 angeschlossen.The device according to the invention for measuring the voltage or induction of an alternating magnetic field in the magnet therapy according to FIG. 1 consists of a number N of local Induction sensor 1 ,, l ", ... l., ... 1". Every feeler exists from two coils 11 (Fig. 2) with the same number of turns. A common connection of the two windings of each induction sensor 1. is connected to ground, while the other two Connections of the two windings of each sensor with the corresponding number N of inputs of a controllable electronic switch 2 are connected, at the control input of the output of a control program device 3 is connected. The two outputs of the electronic switch 2 are identical to the inputs of two Low frequency filters 4 and 5 connected, their outputs are connected to the direct or inverting input of a differential amplifier 6. The exit of the differential amplifier 6 is connected to the input of a Rectifier 7 connected for converting alternating voltage into direct current. The output of the rectifier 7 is connected to the input of a registration device 8, which in turn is connected to a blocking device 9 is. A magnet therapy device 10 is connected to the output of the blocking device 9.
Fig. 2 zeigt die Spule 11 der lokalen Induktionsfühler,
deren konusförmige Wicklungen auf eine dielektrische Spule
mit quadratischem Querschnitt gewickelt sind.Fig. 2 shows the coil 11 of the local induction sensor,
whose conical windings are wound on a dielectric coil with a square cross-section.
Die erfindungsgemäße Vorrichtung zum Messen der Induktion eines Wechselspannungs-Magnetfeldes in der Magnettherapie wirkt folgendermaßen:The device according to the invention for measuring induction an alternating voltage magnetic field in magnet therapy acts as follows:
Die lokalen Induktionsfühler 1,, 1„, . ..1„ werden je nach
den medizinischen Anforderungen an bestimmten Punkten eines
Patienten angeordnet, so daß sie den Körper des Patienten mit der größeren Grundfläche der Spule berühren. Auf diese
Weise wird eine hohe Empfindlichkeit der Fühler 1., 1„,
...lvj auf magnetische Signale garantiert, die aus dem Bereich
des Patienten kommen, und zwar zum Vergleich mit äußeren
magnetischen Störsignalen bei der Messung schwacher Magnetfelder. Umgekehrt wird beim Messen stärkerer magnetischer
Signale die kleinere Grundfläche der Spule der Fühler 1,, I9, .,,1„ dem Patienten zugewandt, und zwar dann, wenn magnetische
Signale von einem Organ im menschlichen Körper
bei der Behandlung durch Magnettherapie kontrolliert werden sollen. Die nutzbaren magnetischen Signale induzieren
in beide Spulen der lokalen Induktionsfühler 1-, 1~, ...1»
Ströme gleicher Größe und in Gegenphase, die der Größe der gemessenen magnetischen Spannung und der Frequenz der magnetischen
Signale proportional sind. Die Frequenz der niederfrequenten Filter 4 und 5 wird durch die Wahl der Filterelemente
derart festgelegt, daß sie niedriger ist als die Niedrigstfrequenz des nutzbaren magnetischen Signales, das
in der Magnettherapie angewendet wird. Hinter den Filtern 4 und 5 werden die Informationssignale von den beiden Eingangen
des Differenzialverstärkers 6 für eine höhere als die niedrigste Frequenz frequenzunabhängig.The local induction sensors 1 ,, 1 ",. ..1 "are arranged depending on the medical requirements at certain points of a patient so that they touch the patient's body with the larger base of the coil. In this way, the sensors 1., 1 ",
... lvj guarantees magnetic signals coming from the patient's area for comparison with external ones
magnetic interference signals when measuring weak magnetic fields. Conversely, when measuring stronger magnetic signals, the smaller base area of the coil of the sensors 1 ,, I 9 ,. ,, 1 “faces the patient, namely when magnetic signals from an organ in the human body
should be controlled during treatment with magnetic therapy. The usable magnetic signals induce currents of the same size and in antiphase in both coils of the local induction sensors 1-, 1 ~, ... 1 », which are proportional to the size of the measured magnetic voltage and the frequency of the magnetic signals. The frequency of the low-frequency filters 4 and 5 is determined by the selection of the filter elements in such a way that it is lower than the lowest frequency of the usable magnetic signal that is used in magnet therapy. After the filters 4 and 5, the information signals from the two inputs of the differential amplifier 6 are frequency-independent for a frequency higher than the lowest.
In der Steuerprogrammeinrichtung 3 wird je nach den medizinischen Anforderungen ein Programm ausgewählt, das mit Hilfe des elektronischen Umschalters 2 die Ausgänge der Induktionsfühler I1, 1„, ...L in einer bestimmten Reihenfolge abtastet und für eine bestimmte Zeit auf die Eingänge der Niederfrequenzfilter 4 und 5 überträgt. Auf diese Weise wird für eine bestimmte Behandlungsdauer bei der Magnettherapie die Intensität der magnetischen Signale an allen N Punkten des Bereichs des Patienten verfolgt. Die verstärkte Spannung am Ausgang des Verstärkers 6 wird zum Gleichrichter 7 übertragen, dessen Ausgangsgleichstrom dem Mittelwert der Spannung des magnetischen Wechselfeldes proportional ist, und zwar in dem Punkt, auf dem sich der entsprechende Fühler befindet, der in diesem Moment wirkt. Das Ausgangssignal vom Gleichrichter 7 wird zum Registriergerät 8 übertragen, das die Blockiereinrichtung 9 einschaltet. Bei einer Erhöhung des zulässigen Wertes der Spannung im magnetischen Wechselfeld an einem der N -Punkte des Bereiches des Patienten oder bei einer Störung während der Ausführung des Programms bei einer therapeutischen Sitzung wird vom Ausgang der Blockiereinrichtung 9 dem Magnettherapiegerät, das das Magnetfeld im Bereich des Patienten erzeugt, ein Blockiersignal zugeführt, durch das das Magnettherapiegerät 10 abgeschaltet wird.In the control program device 3, depending on the medical requirements, a program is selected which, with the help of the electronic switch 2 , scans the outputs of the induction sensors I 1 , 1 ″, ... L in a certain order and for a certain time to the inputs of the low frequency filter 4 and 5 transmits. In this way, the intensity of the magnetic signals at all N points of the patient's area is tracked for a certain duration of treatment in magnetic therapy. The amplified voltage at the output of the amplifier 6 is transmitted to the rectifier 7, the output direct current of which is proportional to the mean value of the voltage of the alternating magnetic field, namely at the point at which the corresponding sensor is located, which is acting at that moment. The output signal from the rectifier 7 is transmitted to the recording device 8, which switches on the blocking device 9. In the event of an increase in the permissible value of the voltage in the alternating magnetic field at one of the N -points of the patient's area or in the event of a disturbance during the execution of the program in a therapeutic session, the output of the blocking device 9 is the magnet therapy device that controls the magnetic field in the patient's area generated, a blocking signal is supplied by which the magnet therapy device 10 is switched off.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BG8569492A BG41964A1 (en) | 1985-03-29 | 1985-03-29 | Device for measuring of magnetic field stress |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3610474A1 true DE3610474A1 (en) | 1986-10-09 |
DE3610474C2 DE3610474C2 (en) | 1991-11-28 |
Family
ID=3915354
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19863610474 Granted DE3610474A1 (en) | 1985-03-29 | 1986-03-27 | DEVICE FOR MEASURING THE INDUCTION OF A MAGNETIC FIELD |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS61259183A (en) |
BG (1) | BG41964A1 (en) |
DE (1) | DE3610474A1 (en) |
GB (1) | GB2176009B (en) |
HU (1) | HU198250B (en) |
Cited By (27)
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---|---|---|---|---|
DE4131947A1 (en) * | 1991-09-25 | 1993-04-01 | Siemens Ag | Multichannel SQUID detection device with noise field suppression - has measurement signal generation section and subtraction device for reference signal in each channel |
AT517739A1 (en) * | 2015-10-02 | 2017-04-15 | Pontemed Ag | Magnetic stimulation device |
US10549109B2 (en) | 2015-07-01 | 2020-02-04 | Btl Medical Technologies S.R.O. | Aesthetic method of biological structure treatment by magnetic field |
US10549110B1 (en) | 2015-07-01 | 2020-02-04 | Btl Medical Technologies S.R.O. | Aesthetic method of biological structure treatment by magnetic field |
US10556122B1 (en) | 2016-07-01 | 2020-02-11 | Btl Medical Technologies S.R.O. | Aesthetic method of biological structure treatment by magnetic field |
US10569094B2 (en) | 2015-07-01 | 2020-02-25 | Btl Medical Technologies S.R.O. | Aesthetic method of biological structure treatment by magnetic field |
US10569095B1 (en) | 2015-07-01 | 2020-02-25 | Btl Medical Technologies S.R.O. | Aesthetic method of biological structure treatment by magnetic field |
US10596386B2 (en) | 2016-07-01 | 2020-03-24 | Btl Medical Technologies S.R.O. | Aesthetic method of biological structure treatment by magnetic field |
US10688310B2 (en) | 2015-07-01 | 2020-06-23 | Btl Medical Technologies S.R.O. | Aesthetic method of biological structure treatment by magnetic field |
US10695576B2 (en) | 2015-07-01 | 2020-06-30 | Btl Medical Technologies S.R.O. | Aesthetic method of biological structure treatment by magnetic field |
US10695575B1 (en) | 2016-05-10 | 2020-06-30 | Btl Medical Technologies S.R.O. | Aesthetic method of biological structure treatment by magnetic field |
US10709894B2 (en) | 2015-07-01 | 2020-07-14 | Btl Medical Technologies S.R.O. | Aesthetic method of biological structure treatment by magnetic field |
US10709895B2 (en) | 2016-05-10 | 2020-07-14 | Btl Medical Technologies S.R.O. | Aesthetic method of biological structure treatment by magnetic field |
US10765880B2 (en) | 2012-07-05 | 2020-09-08 | Btl Medical Technologies S.R.O. | Device for repetitive nerve stimulation in order to break down fat tissue means of inductive magnetic fields |
US10821295B1 (en) | 2015-07-01 | 2020-11-03 | Btl Medical Technologies S.R.O. | Aesthetic method of biological structure treatment by magnetic field |
US11185690B2 (en) | 2016-05-23 | 2021-11-30 | BTL Healthcare Technologies, a.s. | Systems and methods for tissue treatment |
US11247039B2 (en) | 2016-05-03 | 2022-02-15 | Btl Healthcare Technologies A.S. | Device including RF source of energy and vacuum system |
US11247063B2 (en) | 2019-04-11 | 2022-02-15 | Btl Healthcare Technologies A.S. | Methods and devices for aesthetic treatment of biological structures by radiofrequency and magnetic energy |
US11253717B2 (en) | 2015-10-29 | 2022-02-22 | Btl Healthcare Technologies A.S. | Aesthetic method of biological structure treatment by magnetic field |
US11253718B2 (en) | 2015-07-01 | 2022-02-22 | Btl Healthcare Technologies A.S. | High power time varying magnetic field therapy |
US11464993B2 (en) | 2016-05-03 | 2022-10-11 | Btl Healthcare Technologies A.S. | Device including RF source of energy and vacuum system |
US11491342B2 (en) | 2015-07-01 | 2022-11-08 | Btl Medical Solutions A.S. | Magnetic stimulation methods and devices for therapeutic treatments |
US11491329B2 (en) | 2020-05-04 | 2022-11-08 | Btl Healthcare Technologies A.S. | Device and method for unattended treatment of a patient |
US11534619B2 (en) | 2016-05-10 | 2022-12-27 | Btl Medical Solutions A.S. | Aesthetic method of biological structure treatment by magnetic field |
US11633596B2 (en) | 2020-05-04 | 2023-04-25 | Btl Healthcare Technologies A.S. | Device and method for unattended treatment of a patient |
US11896816B2 (en) | 2021-11-03 | 2024-02-13 | Btl Healthcare Technologies A.S. | Device and method for unattended treatment of a patient |
US12029905B2 (en) | 2023-11-13 | 2024-07-09 | Btl Healthcare Technologies A.S. | Device and method for unattended treatment of a patient |
Families Citing this family (2)
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---|---|---|---|---|
GB8921503D0 (en) * | 1989-09-22 | 1989-11-08 | Ramonspark Limited | Telemtry |
GB2254441B (en) * | 1991-04-02 | 1995-10-04 | Bartington Instr Ltd | Telemetry |
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- 1986-03-27 DE DE19863610474 patent/DE3610474A1/en active Granted
- 1986-03-27 HU HU861301A patent/HU198250B/en not_active IP Right Cessation
- 1986-03-28 JP JP61070653A patent/JPS61259183A/en active Granted
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Cited By (57)
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DE4131947C2 (en) * | 1991-09-25 | 2000-09-07 | Siemens Ag | Multi-channel SQUID detection device with interference field suppression |
DE4131947A1 (en) * | 1991-09-25 | 1993-04-01 | Siemens Ag | Multichannel SQUID detection device with noise field suppression - has measurement signal generation section and subtraction device for reference signal in each channel |
US11612758B2 (en) | 2012-07-05 | 2023-03-28 | Btl Medical Solutions A.S. | Device for repetitive nerve stimulation in order to break down fat tissue means of inductive magnetic fields |
US10806943B2 (en) | 2012-07-05 | 2020-10-20 | Btl Medical Technologies S.R.O. | Device for repetitive nerve stimulation in order to break down fat tissue means of inductive magnetic fields |
US10765880B2 (en) | 2012-07-05 | 2020-09-08 | Btl Medical Technologies S.R.O. | Device for repetitive nerve stimulation in order to break down fat tissue means of inductive magnetic fields |
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Also Published As
Publication number | Publication date |
---|---|
GB2176009A (en) | 1986-12-10 |
HUT40519A (en) | 1986-12-28 |
HU198250B (en) | 1989-08-28 |
DE3610474C2 (en) | 1991-11-28 |
JPH0439917B2 (en) | 1992-07-01 |
JPS61259183A (en) | 1986-11-17 |
BG41964A1 (en) | 1987-09-15 |
GB2176009B (en) | 1989-12-13 |
GB8607762D0 (en) | 1986-04-30 |
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